diff options
Diffstat (limited to 'loader/wine/ldt.h')
-rw-r--r-- | loader/wine/ldt.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/loader/wine/ldt.h b/loader/wine/ldt.h deleted file mode 100644 index e607085f33..0000000000 --- a/loader/wine/ldt.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * LDT copy - * - * Copyright 1995 Alexandre Julliard - */ - -#ifndef MPLAYER_LDT_H -#define MPLAYER_LDT_H - -#include "windef.h" -enum seg_type -{ - SEGMENT_DATA = 0, - SEGMENT_STACK = 1, - SEGMENT_CODE = 2 -}; - - /* This structure represents a real LDT entry. */ - /* It is used by get_ldt_entry() and set_ldt_entry(). */ -typedef struct -{ - unsigned long base; /* base address */ - unsigned long limit; /* segment limit (in pages or bytes) */ - int seg_32bit; /* is segment 32-bit? */ - int read_only; /* is segment read-only? */ - int limit_in_pages; /* is the limit in pages or bytes? */ - enum seg_type type; /* segment type */ -} ldt_entry; -void LDT_BytesToEntry( const unsigned long *buffer, ldt_entry *content ); -void LDT_EntryToBytes( unsigned long *buffer, const ldt_entry *content ); -int LDT_GetEntry( int entry, ldt_entry *content ); -int LDT_SetEntry( int entry, const ldt_entry *content ); -void LDT_Print( int start, int length ); - - - /* This structure is used to build the local copy of the LDT. */ -typedef struct -{ - unsigned long base; /* base address or 0 if entry is free */ - unsigned long limit; /* limit in bytes or 0 if entry is free */ -} ldt_copy_entry; - -#define LDT_SIZE 8192 - -extern ldt_copy_entry ldt_copy[LDT_SIZE]; - -#define AHSHIFT 3 /* don't change! */ -#define AHINCR (1 << AHSHIFT) - -#define SELECTOR_TO_ENTRY(sel) (((int)(sel) & 0xffff) >> AHSHIFT) -#define ENTRY_TO_SELECTOR(i) ((i) ? (((int)(i) << AHSHIFT) | 7) : 0) -#define IS_LDT_ENTRY_FREE(i) (!(ldt_flags_copy[(i)] & LDT_FLAGS_ALLOCATED)) -#define IS_SELECTOR_FREE(sel) (IS_LDT_ENTRY_FREE(SELECTOR_TO_ENTRY(sel))) -#define GET_SEL_BASE(sel) (ldt_copy[SELECTOR_TO_ENTRY(sel)].base) -#define GET_SEL_LIMIT(sel) (ldt_copy[SELECTOR_TO_ENTRY(sel)].limit) - -/* Convert a segmented ptr (16:16) to a linear (32) pointer */ - -#define PTR_SEG_OFF_TO_LIN(seg,off) \ - ((void*)(GET_SEL_BASE(seg) + (unsigned int)(off))) -#define PTR_SEG_TO_LIN(ptr) \ - PTR_SEG_OFF_TO_LIN(SELECTOROF(ptr),OFFSETOF(ptr)) -#define PTR_SEG_OFF_TO_SEGPTR(seg,off) \ - ((SEGPTR)MAKELONG(off,seg)) -#define PTR_SEG_OFF_TO_HUGEPTR(seg,off) \ - PTR_SEG_OFF_TO_SEGPTR( (seg) + (HIWORD(off) << AHSHIFT), LOWORD(off) ) - -#define W32S_APPLICATION() (PROCESS_Current()->flags & PDB32_WIN32S_PROC) -#define W32S_OFFSET 0x10000 -#define W32S_APP2WINE(addr, offset) ((addr)? (DWORD)(addr) + (DWORD)(offset) : 0) -#define W32S_WINE2APP(addr, offset) ((addr)? (DWORD)(addr) - (DWORD)(offset) : 0) - -extern unsigned char ldt_flags_copy[LDT_SIZE]; - -#define LDT_FLAGS_TYPE 0x03 /* Mask for segment type */ -#define LDT_FLAGS_READONLY 0x04 /* Segment is read-only (data) */ -#define LDT_FLAGS_EXECONLY 0x04 /* Segment is execute-only (code) */ -#define LDT_FLAGS_32BIT 0x08 /* Segment is 32-bit (code or stack) */ -#define LDT_FLAGS_BIG 0x10 /* Segment is big (limit is in pages) */ -#define LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */ - -#define GET_SEL_FLAGS(sel) (ldt_flags_copy[SELECTOR_TO_ENTRY(sel)]) - -#define FIRST_LDT_ENTRY_TO_ALLOC 17 - -/* Determine if sel is a system selector (i.e. not managed by Wine) */ -#define IS_SELECTOR_SYSTEM(sel) \ - (!((sel) & 4) || (SELECTOR_TO_ENTRY(sel) < FIRST_LDT_ENTRY_TO_ALLOC)) -#define IS_SELECTOR_32BIT(sel) \ - (IS_SELECTOR_SYSTEM(sel) || (GET_SEL_FLAGS(sel) & LDT_FLAGS_32BIT)) - -#endif /* MPLAYER_LDT_H */ |